Environmental acceptability

The purpose of the surface facilities is to deliver saleable hydrocarbons from the wellhead to the customer, on time, to specification, in a safe and environmentally acceptable manner. The main functions of the surface facilities are... 

J. E. Glass, ed.. Hydrophilic Polymers Performance with Environmental Acceptance, Advances in Chemistry Series 248, American Society, Washington, D.C., 1995. 

In 1988 diaphragm cells accounted for 76% of all U.S. chlorine production, mercury cells for 17%, membrane cells for 5%, and all other production methods for 2%. Corresponding statistics for Canadian production are diaphragm cells, 81% mercury cells, 15% and membrane cells, 4% (5). for a number of reasons, including concerns over mercury pollution, recent trends are away from mercury cell production toward the more environmentally acceptable membrane cells, which also produce higher quality product and have favorable economics. 

A significant issue in combustors in the mid-1990s is the performance of the process in an environmentally acceptable manner through the use of either low sulfur coal or post-combustion clean-up of the flue gases. Thus there is a marked trend to more efficient methods of coal combustion and, in fact, a combustion system that is able to accept coal without the necessity of a post-combustion treatment or without emitting objectionable amounts of sulfur oxides, nitrogen oxides, and particulates is very desirable (51,52). 

Combustor. In the majority of MHD plant designs the MHD combustor bums coal directly. Because MHD power generation is able to utilize pulverized coal in an environmentally acceptable fashion, there is usually no need to make cleaner fuels from coal, eg, by gasification or by beneficiation. A discussion of combustion techniques for MHD plants is available (70). 

Bismuth V n d te. The use of lead chromate pigments has been slowly phased out of many appHcations. Thus a search for more environmentally acceptable relatively inexpensive yeHow pigments having exceHent coloristic properties has been ongoing. 

Pigments contribute to the enjoyment and beauty of the world. To assure the future of inorganic pigments, research efforts are directed toward the development of environmentally acceptable pigments, pigments that when produced under weU-controUed conditions do not release any toxic materials into the environment whether during production, use, or disposal. 

An EIS is written and issued by the federal agency involved with a particular project. The agency, however, rehes on the owners of the proposed facihty to provide the information contained ia the EIS. The section on alternatives is considered the most important part of the EIS. The proposed project and its alternatives are usually described ia detail. The environmental impacts of the proposal and the alternatives are presented. Based on all of this information, the federal agency determines if the proposed project is environmentally acceptable. 

In the United States the Clean Coal Technology program was created to develop and demonstrate the technology needed to use coal in a more environmentally acceptable manner. Activities range from basic research and estabUshing integrated operation of new processes in pilot plants through demonstration with commercial-scale equipment. 

Coal can be burned m fluidized beds in an environmentally acceptable manner by adding hmestone or dolomite to the bed to... 

Environmentally acceptable solvent for waste minimization, nontoxic, nonflammable, inexpensive, usable at mild temperatures. 

Non-chromate and low-VOC containing primers are capable of excellent performance. Table 4 shows the results of a comparison of various environmentally acceptable primers with 250°F curing adhesive with the standard BR 127 solvent-based chromate inhibited primer [42]. 

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